PT-2024-11826 · Linux+4 · Linux Kernel+4

Published 2022-12-07 · Updated 2025-09-29 · CVE-2022-48958

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description The issue is related to a potential skb leak in the greth init rings() function. This function does not free the newly allocated skb when dma mapping error() returns an error. To fix this, dev kfree skb() has been added. The vulnerability is associated with information disclosure in the greth init rings() function in drivers/net/ethernet/aeroflex/greth.c. Exploitation of this issue may allow access to confidential information.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Information Disclosure

Memory Leak

Weakness Enumeration

CWE-200

CWE-401

Related Identifiers

ALSA-2025_16880

ALT-PU-2023-1066

BDU:2025-01701

CVE-2022-48958

OESA-2024-2371

OPENSUSE-SU-2024_3983-1

OPENSUSE-SU-2024_3985-1

SUSE-SU-2024:3983-1

SUSE-SU-2024:3985-1

SUSE-SU-2024:4100-1

SUSE-SU-2024:4364-1

SUSE-SU-2025:0034-1

Affected Products

Alt Linux

Astra Linux

Linux Kernel

Red Os

Suse

References · 1112

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/48xxx/CVE-2022-48958.json · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2022-48995 · Security Note
• https://git.kernel.org/stable/c/223654e2e2c8d05347cd8e300f8d1ec6023103dd · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2024-49954 · Security Note
• https://git.kernel.org/stable/c/99669d94ce145389f1d6f197e6e18ed50d43fb76 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2024-50083 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-49021 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2024:3985-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-49860 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-49882 · Security Note
• https://ubuntu.com/security/CVE-2022-48958 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-47660 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-49881 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-50063 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-49922 · Security Note